3.2 Vocab Flashcards
1
Q
Atomic mass
A
The average mass of one atom of an element
2
Q
Periodic table
A
An arrangement of the element in order of atomic number,in which element with similar properties are grouped in columns
3
Q
Period
A
A horizontal row of elements in the periodic table
4
Q
Family
A
Elements in the same vertical column of the periodic table; also called a group
5
Q
Group
A
Elements in the vertical column of the periodic table; also called a family
